Created
April 29, 2019 11:49
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Gerar Arquivo Excel com JSON usando a lib XLSX no Javascript
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| // É necessário instalar o xlsx | |
| // Foi testado com a versão "xlsx": "^0.14.2" | |
| function Workbook() { | |
| if (!(this instanceof Workbook)) | |
| return new Workbook() | |
| this.SheetNames = [] | |
| this.Sheets = {} | |
| } | |
| const download = (url, name) => { | |
| let a = document.createElement('a') | |
| a.href = url | |
| a.download = name | |
| a.click() | |
| window.URL.revokeObjectURL(url) | |
| } | |
| function s2ab(s) { | |
| const buf = new ArrayBuffer(s.length) | |
| const view = new Uint8Array(buf) | |
| for (let i=0; i !== s.length; ++i) | |
| view[i] = s.charCodeAt(i) & 0xFF | |
| return buf | |
| } | |
| export default (data, filename) => { | |
| import('xlsx').then(XLSX => { | |
| const wb = new Workbook() | |
| const ws = XLSX.utils.json_to_sheet(data) | |
| wb.SheetNames.push('') | |
| wb.Sheets[''] = ws | |
| const wbout = XLSX.write(wb, {bookType:'xlsx', bookSST:true, type: 'binary'}) | |
| let url = window.URL.createObjectURL(new Blob([s2ab(wbout)], {type:'application/octet-stream'})) | |
| download(url, filename || 'relatorio.xlsx') | |
| }) | |
| } | |
| // Para usar execute: | |
| // exportToExcel({ nome: 'Teste', email: 'teste@email.com' }); |
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